<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>sea.js</title>
  </head>
  <body id="bg">
    <button id="change">点我我变色</button>
  </body>
  <script src="./lib/sea.js"></script>
  <script>
    seajs.config({
      alias: {
        underscore: "underscore.js",
        init: "./src/init.js",
        color: "./src/color.js"
      }
    });

    seajs.use(["underscore", "init"], function(u, init) {
      init.start();
    });
  </script>
</html>
